Complete the passage by using the words and phrases in the list
below. Use each item only once.
alternative sources cut down on dramatic increase
exhaust fumes food chain nuclear waste
polluting public transport pesticides
research quality of life traffic jams
rush hour switch to subsidized fares

Our environment is being destroyed but we still have time to do something about it.
Every day during the 1.------- you can see cars stuck in 2.---------sending their 3.---
---up into the atmosphere, 4.------ our environment. If we had an integrated 5.--------
system with 6.---------, commuters would be encouraged to leave their cars at home
and 7.------- a more efficient form of transport. It is not only in towns that the 8.------
-is being threatened. Although farmers say they have to spray. 9.------- on their
crops, some experts believe that these chemicals could get into the 10.-------- which
will result in a 11.--------- in the number of people affected by cancer and various
allergies. More 12--------- needs to be carried out so that we can 13.---------- the
use of harmful chemicals but still produce the food we need.
Potentially the most dangerous threat to the environment is 14.-------- from
power stations. Can it really be stored safely? Be developing 15. ---- of energy, such
as wind and wave power, we can make out world much safer to live in.